diff --git a/src/components/Course/courseTag.vue b/src/components/Course/courseTag.vue
index 421c42ea..1320a392 100644
--- a/src/components/Course/courseTag.vue
+++ b/src/components/Course/courseTag.vue
@@ -11,7 +11,7 @@
       :remote-method="debouncedSearch"
       :loading="loading"
       :disabled="sysTypeList.length===0"
-      placeholder="请输入标签名称"
+      :placeholder="sysTypeList.length > 0 ? '请输入标签名称' : '请先选择课程分类'"
       @remove-tag="handleTagRemove"
       @change="handleSelectionChange"
       @keyup.enter.native="handleEnterKey"